Finding the Fourth Proportional to 236,830.69, 326,845.71 and 134,888.09
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Solution
The fourth proportional to 236,830.69, 326,845.71 and 134,888.09 is: 186,156.58
Step by Step Solution
- Step 1: Write the proportion equation
236,830.69 : 326,845.71 = 134,888.09 : x - Step 2: Convert to fraction form
236,830.69/326,845.71 = 134,888.09/x - Step 3: Cross multiply
236,830.69x = 326,845.71 × 134,888.09 - Step 4: Simplify right side
236,830.69x = 44,087,591,532.99 - Step 5: Solve for x
x = 44,087,591,532.99/236,830.69 - Step 6: Final answer
x = 186,156.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.